Relationships and agreement between Yo-Yo intermittent recovery test level 1 performance and laboratory VO2max in adolescent male soccer players: roles of maturity status, playing position, and running economy. - Xu, Yaohui; Xu, Naidan; Wang, Rou; Li, Weiming; Ho, Indy Man Kit; Poon, Eric Tsz-Chun; Liu, Weijun; Liu, Haochong (Annals of Human Biology, 2025)